Rhys M. Evans

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Three axis seismic vibrator
- Patent number 5,666,328
- Issue date Sep 9, 1997
- I/O Exploration Products (U.S.A.), Inc.
- John Mark Crowell
- G01 - MEASURING TESTING
Information Patent Grant
Automatic force control for a seismic vibrator
- Patent number 4,692,912
- Issue date Sep 8, 1987
- Geosource, Inc.
- Allan H. Mueller
- G01 - MEASURING TESTING